Denso 234-4736 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4736

The Denso OE Style Oxygen Sensor 234-4736 is designed specifically for Subaru vehicles, including the Impreza, Legacy, and Outback models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for Subaru Impreza, Legacy, and Outback models
• Threaded mounting type with a 0.708-inch thread diameter
• Four-wire design with a female connector for secure electrical connection
• Wiring harness length of 17.32 inches for proper installation

Detailed Features and Specifications

The Denso 234-4736 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its specific fitment ensures compatibility with Subaru Impreza, Legacy, and Outback vehicles, providing reliable performance without the need for modifications. The sensor includes a threaded mounting type with a 0.708-inch diameter, allowing for secure installation in the exhaust system. The four-wire configuration and female connector ensure proper electrical connectivity and signal transmission. Additionally, the 17.32-inch wiring harness length offers sufficient reach for straightforward installation.

About the Denso OE Style Product Line

The OE Style line from Denso is engineered to meet original equipment specifications, providing a direct replacement for factory-installed parts. This product line focuses on delivering precise fitment and reliable function, making it suitable for vehicles requiring exact OEM standards. The 234-4736 oxygen sensor from the OE Style series maintains the quality and performance expected from Denso, ensuring compatibility and durability for Subaru models.

Common Applications and Problem Resolution

• Restores accurate air-fuel mixture readings for improved engine efficiency
• Helps resolve check engine light issues related to oxygen sensor faults
• Reduces emissions by providing precise exhaust gas data to the engine control unit
• Improves fuel economy by enabling proper combustion adjustments
• Prevents rough idling and engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4736 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector type match the vehicle’s specifications. Proper torque should be applied to the threaded sensor to prevent exhaust leaks. It is recommended to check for any diagnostic trouble codes after installation to confirm sensor functionality.

Quality Assurance and Warranty

Denso oxygen sensors, including the 234-4736, are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability in emission control applications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term operation.